Alert archive / North Dakota / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Bismarck, ND

June 13, 1991Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 13, 1991, 4:38 PM CDT for Stutsman County, North Dakota. It was in force for 67 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 13, 1991, 4:38 PM CDT (21:38 UTC)
Expired: Jun 13, 1991, 5:45 PM CDT
In force: 67 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Stutsman County, ND

What was reported inside it

Time	Report	Where	Remark
Jun 13, 5:25 PM CDT	Hail 1	Stutsman, ND
Jun 13, 5:52 PM CDT	Hail 1.75	Stutsman, ND

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.6 hours before the alert went out and 134 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1191 J/kg
Mixed-layer CIN: -284 J/kg
Mixed-layer LCL: 1071 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBIS 132138
SVRBIS
NDC093-132245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE BISMARCK ND
438 PM CDT THU JUN 13 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE EAST CENTRAL PART OF NORTH DAKOTA
      EASTERN STUTSMAN

AT 430 PM CDT A LINE OF SEVERE THUNDERSTORMS EXTENDED ACROSS
EASTERN STUTSMAN COUNTY...FROM 10 MILES WEST OF JAMESTOWN TO
25 MILES NORTHWEST OF JAMESTOWN. THE LINE OF SEVERE THUNDERSTORMS
WAS MOVING NORTHEAST AT 25 MPH AND WILL MOVE THROUGH THE TOWNS
OF KENSAL...COURTENAY....PINGREE...BUCHANAN AND JAMESTOWN.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAIN MAY FLOOD ROADWAYS QUICKLY
SO AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.

 VAN ESS

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 13, 2:06 PM CDT, 2 hours 32 minutes before

NDZ007-011-013-132030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
205 PM CDT THU JUN 13 1991

...THUNDERSTORMS OVER SOUTH CENTRAL NORTH DAKOTA...

AT 2 PM CDT...WEATHER RADAR INDICATED AN AREA OF SCATTERED THUNDERSTORMS
DEVELOPING OVER SOUTH CENTRAL NORTH DAKOTA MOVING NORTHEAST AT 25 MILES
AN HOUR. THE STRONGEST THUNDERSTORM WAS LOCATED 15 MILES EAST OF
BISMARCK NEAR STERLING.

BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS ABRE POSSIBLE FROM
THESE THUNDERSTORMS.

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 2:30 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	60 min
Jun 13, 3:30 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Stutsman	60 min
Jun 13, 4:22 PM CDT	Tornado Warning	BIS	Ramsey	38 min
Jun 13, 5:47 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	43 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1991 Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.